the402 x402 endpoint directory

Current or forecast carbon intensity of the GB electricity grid in gCO2/kWh, with the generation fuel mix.

Resolve DNS records of any common type over DoH, returning answers with TTLs and the DNSSEC-authenticated flag.

Validate an ISO 17442 Legal Entity Identifier checksum and extract its issuing LOU prefix.

UTC sunrise, sunset, solar noon and day length for a date and coordinate, including polar day/night.

Convert an instant between IANA timezones, returning the local wall time, UTC offset and DST state.

Every public holiday for a country and year, with local and English names and observance scope.

Ground elevation in meters and feet at a coordinate, from the USGS 3DEP dataset.

Convert latitude/longitude to the containing US street address, census tract and county. US coverage only.

Convert a US street address to latitude/longitude with a matched, standardized address. US coverage only.

GPT-5.6 Luna — fast, low-cost frontier model (Artificial Analysis Intelligence Index 51.2, GPQA Diamond 91.1%). Best f

Curated reading list on Music for tutoring agents, quiz generators, and reading apps — 494 public-domain books (e.g. M

Get current weather and forecast for a location

Convert a value between measurement units

Convert a datetime between timezones

Generate a color palette from a base hex color

Generate unique identifiers

Parse a user agent string into structured data

Test a regex pattern against input strings

Convert markdown text to HTML

Generate Lorem Ipsum placeholder text

Decode a JWT token without signature verification

Convert HTML to markdown

Parse CSV text to JSON array

Generate a cron expression from natural language

Encode or decode base64 data

Generate a barcode from text or number

Priority fee estimates for Solana transactions

UOS Genesis machine utility: csv_to_json

01Mind listing: dyn-baf663b065a63397

01Mind listing: dyn-45c4dd28f5d640af

Curated reading list on Murder -- Investigation -- Fiction for tutoring agents, quiz generators, and reading apps — 15

Curated reading list on Man-woman relationships -- Fiction for tutoring agents, quiz generators, and reading apps — 90

Curated shelf: Private investigators -- England -- Fiction — 13 public-domain books including The Adventures of Sherlo

Curated reading list on Encyclopedias and dictionaries for tutoring agents, quiz generators, and reading apps — 149 pu

Curated reading list on English poetry for tutoring agents, quiz generators, and reading apps — 211 public-domain book

Curated reading list on Children's Fiction for tutoring agents, quiz generators, and reading apps — 334 public-domain

Curated reading list on American wit and humor for tutoring agents, quiz generators, and reading apps — 133 public-dom

Curated reading list on Travel for tutoring agents, quiz generators, and reading apps — 158 public-domain books (e.g.

Curated reading list on N for tutoring agents, quiz generators, and reading apps — 187 public-domain books (e.g. Lives

USDA FoodData Central nutrition lookup. Two modes: search (query=cheddar cheese) returns matching foods with fdcId, de

Adjusts a US dollar amount between two dates using the official BLS CPI-U index, returning both index values.

Resolve A and AAAA records for a public hostname via DNS-over-HTTPS (60s cache)

Reads eth_feeHistory over the last ten blocks with reward percentiles 25, 50 and 75, and falls back to eth_gasPrice wh

Asks every known facilitator what it supports and measures how long that answer takes. Reachability, supported chains,

Cryptographic verification of the offer-receipt extension of x402. Accepts a signed offer in eip712, jws or eip191 for

Quotes each stablecoin against real US dollars on Kraken and Coinbase and, separately, against USDT on Binance, OKX an

Turns opaque call data into something an agent can reason about before signing. The method signature is resolved from

Measures the state of one pair over the chosen horizon from the minute candles this hub records itself: annualized rea

Reads the visible order book of one exchange and measures how bid and ask volume sit inside a window of depth_pct arou

Compares the open interest recorded now with the value this hub recorded itself at the start of the window, so both nu